CVE-2026-12327

Published: Giu 16, 2026 Last Modified: Giu 16, 2026

ExploitDB:

Other exploit source:

Google Dorks:

HIGH 7,3

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Attack Vector: network

Attack Complexity: low

Privileges Required: none

User Interaction: none

Scope: unchanged

Confidentiality: low

Integrity: low

Availability: low

Description

AI Translation Available

Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Stable

Abstraction: Class Structure: Simple

Common Consequences

Security Scopes Affected:

Integrity Confidentiality Availability

Potential Impacts:

Execute Unauthorized Code Or Commands Modify Memory Read Memory Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory)